Where does “facultativity” come from?

facultativity (English) comes from English facultative, from French facultatif, from French -if, from Middle French -if, from Old French -if, from Latin -īvus, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

facultativity (English): The state or quality of being facultative

Definitions

  1. The state or quality of being facultative

Ancestry of “facultativity”, step by step

facultativity traces back through two separate lines of ancestry.

via English facultative

StepLanguageWordMeaning
1EnglishfacultativeOf or relating to faculty, especially to mental...
2Frenchfacultatifoptional, elective; not mandatory; facultative
3French-if-ive; used in forming adjectives denoting...
4Middle French-if-ive
5Old French-if-ive
6Latin-īvusAdjective suffix
7Proto-Indo-European-iHwós
8Proto-Indo-European-wósCreates adjectives from verb stems

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European -wós